<template>
    <div class="p-2">
      <transition :enter-active-class="proxy?.animate.searchAnimate.enter" :leave-active-class="proxy?.animate.searchAnimate.leave">
        <div v-show="showSearch" class="mb-[10px]">
          <el-card shadow="hover">
            <el-form ref="queryFormRef" :model="queryParams" :inline="true">
              <el-form-item label="分类名称" prop="categoryName">
                <el-input v-model="queryParams.categoryName" placeholder="请输入分类名称" clearable @keyup.enter="handleQuery" />
              </el-form-item>
              <el-form-item label="创建时间" style="width: 308px">
                <el-date-picker
                  v-model="dateRangeCreateTime"
                  value-format="YYYY-MM-DD HH:mm:ss"
                  type="daterange"
                  range-separator="-"
                  start-placeholder="开始日期"
                  end-placeholder="结束日期"
                  :default-time="[new Date(2000, 1, 1, 0, 0, 0), new Date(2000, 1, 1, 23, 59, 59)]"
                />
              </el-form-item>
              <el-form-item>
                <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
                <el-button icon="Refresh" @click="resetQuery">重置</el-button>
              </el-form-item>
            </el-form>
          </el-card>
        </div>
      </transition>
  
      <el-card shadow="never">
        <template #header>
          <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
              <el-button type="primary" plain icon="Plus" @click="handleAdd()" v-hasPermi="['ai:category:add']">新增</el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button type="info" plain icon="Sort" @click="handleToggleExpandAll">展开/折叠</el-button>
            </el-col>
            <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
          </el-row>
        </template>
        <el-table
          ref="categoryTableRef"
          v-loading="loading"
          :data="categoryList"
          row-key="categoryId"
          :default-expand-all="isExpandAll"
          :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        >
          <el-table-column label="分类名称" prop="categoryName" />
          <el-table-column label="父ID" align="center" prop="parentCategoryId" />
          <el-table-column label="创建时间" align="center" prop="createTime" width="180">
            <template #default="scope">
              <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
            </template>
          </el-table-column>
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template #default="scope">
              <el-tooltip content="修改" placement="top">
                <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['ai:category:edit']" />
              </el-tooltip>
              <el-tooltip content="新增" placement="top">
                <el-button link type="primary" icon="Plus" @click="handleAdd(scope.row)" v-hasPermi="['ai:category:add']" />
              </el-tooltip>
              <el-tooltip content="删除" placement="top">
                <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['ai:category:remove']" />
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
      <!-- 添加或修改作品分类对话框 -->
      <el-dialog :title="dialog.title" v-model="dialog.visible" width="500px" append-to-body>
        <el-form ref="categoryFormRef" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="分类名称" prop="categoryName">
            <el-input v-model="form.categoryName" placeholder="请输入分类名称" />
          </el-form-item>
          <el-form-item label="父ID" prop="parentCategoryId">
            <el-tree-select
              v-model="form.parentCategoryId"
              :data="categoryOptions"
              :props="{ value: 'categoryId', label: 'categoryName', children: 'children' }"
              value-key="categoryId"
              placeholder="请选择父ID"
              check-strictly
            />
          </el-form-item>
        </el-form>
        <template #footer>
          <div class="dialog-footer">
            <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </template>
  
  <script setup name="Category" lang="ts">
  import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/ai/category";
  import { CategoryVO, CategoryQuery, CategoryForm } from '@/api/ai/category/types';
  
  type CategoryOption = {
    categoryId: number;
    categoryName: string;
    children?: CategoryOption[];
  }
  
  const { proxy } = getCurrentInstance() as ComponentInternalInstance;;
  
  
  const categoryList = ref<CategoryVO[]>([]);
  const categoryOptions = ref<CategoryOption[]>([]);
  const buttonLoading = ref(false);
  const showSearch = ref(true);
  const isExpandAll = ref(true);
  const loading = ref(false);
  
  const queryFormRef = ref<ElFormInstance>();
  const categoryFormRef = ref<ElFormInstance>();
  const categoryTableRef = ref<ElTableInstance>()
  
  const dialog = reactive<DialogOption>({
      visible: false,
      title: ''
  });
  
  const dateRangeCreateTime = ref<[DateModelType, DateModelType]>(['', '']);
  
  const initFormData: CategoryForm = {
      categoryId: undefined,
      categoryName: undefined,
      parentCategoryId: undefined,
  }
  
  const data = reactive<PageData<CategoryForm, CategoryQuery>>({
    form: {...initFormData},
    queryParams: {
      categoryName: undefined,
      params: {
        createTime: undefined,
      }
    },
    rules: {
      categoryId: [
        { required: true, message: "分类ID不能为空", trigger: "blur" }
      ],
      categoryName: [
        { required: true, message: "分类名称不能为空", trigger: "blur" }
      ],
    }
  });
  
  const { queryParams, form, rules } = toRefs(data);
  
  /** 查询作品分类列表 */
  const getList = async () => {
    loading.value = true;
    queryParams.value.params = {};
    proxy?.addDateRange(queryParams.value, dateRangeCreateTime.value, 'CreateTime');
    const res = await listCategory(queryParams.value);
    const data = proxy?.handleTree<CategoryVO>(res.data, "categoryId", "parentCategoryId");
    if (data) {
      categoryList.value = data;
      loading.value = false;
    }
  }
  
  /** 查询作品分类下拉树结构 */
  const getTreeselect = async () => {
    const res = await listCategory();
    categoryOptions.value = [];
    const data: CategoryOption = { categoryId: 0, categoryName: '顶级节点', children: [] };
    data.children = proxy?.handleTree<CategoryOption>(res.data, "categoryId", "parentCategoryId");
    categoryOptions.value.push(data);
  }
  
  // 取消按钮
  const cancel = () => {
    reset();
    dialog.visible = false;
  }
  
  // 表单重置
  const reset = () => {
    form.value = {...initFormData}
    categoryFormRef.value?.resetFields();
  }
  
  /** 搜索按钮操作 */
  const handleQuery = () => {
    getList();
  }
  
  /** 重置按钮操作 */
  const resetQuery = () => {
    dateRangeCreateTime.value = ['', ''];
    queryFormRef.value?.resetFields();
    handleQuery();
  }
  
  /** 新增按钮操作 */
  const handleAdd = (row?: CategoryVO) => {
    reset();
    getTreeselect();
    if (row != null && row.categoryId) {
      form.value.parentCategoryId = row.categoryId;
    } else {
      form.value.parentCategoryId = 0;
    }
    dialog.visible = true;
    dialog.title = "添加作品分类";
  }
  
  /** 展开/折叠操作 */
  const handleToggleExpandAll = () => {
    isExpandAll.value = !isExpandAll.value;
    toggleExpandAll(categoryList.value, isExpandAll.value)
  }
  
  /** 展开/折叠操作 */
  const toggleExpandAll = (data: CategoryVO[], status: boolean) => {
    data.forEach((item) => {
      categoryTableRef.value?.toggleRowExpansion(item, status)
      if (item.children && item.children.length > 0) toggleExpandAll(item.children, status)
    })
  }
  
  /** 修改按钮操作 */
  const handleUpdate = async (row: CategoryVO) => {
    reset();
    await getTreeselect();
    if (row != null) {
      form.value.parentCategoryId = row.parentCategoryId;
    }
    const res = await getCategory(row.categoryId);
    Object.assign(form.value, res.data);
    dialog.visible = true;
    dialog.title = "修改作品分类";
  }
  
  /** 提交按钮 */
  const submitForm = () => {
    categoryFormRef.value?.validate(async (valid: boolean) => {
      if (valid) {
        buttonLoading.value = true;
        if (form.value.categoryId) {
          await updateCategory(form.value).finally(() => buttonLoading.value = false);
        } else {
          await addCategory(form.value).finally(() => buttonLoading.value = false);
        }
        proxy?.$modal.msgSuccess("操作成功");
        dialog.visible = false;
        getList();
      }
    });
  }
  
  /** 删除按钮操作 */
  const handleDelete = async (row: CategoryVO) => {
    await proxy?.$modal.confirm('是否确认删除作品分类编号为"' + row.categoryId + '"的数据项？');
    loading.value = true;
    await delCategory(row.categoryId).finally(() => loading.value = false);
    await getList();
    proxy?.$modal.msgSuccess("删除成功");
  }
  
  onMounted(() => {
    getList();
  });
  </script>
  